Re: 300 mA from a microcontroller pin

DJ Delorie wrote:

.... snip ...

Alernately, use a single op-amp follower to produce a regulated
2.5v reference, and tie the first stage sources to that.

+5V
|
10K
|
*-------|+\
| | >---*---- 2.5v
10K *-|-/ |
| | |
GND `--------'

That won't be stable with 300 mA loads switching on and off.

--
Chuck F (cbfalconer at maineline dot net)
<http://cbfalconer.home.att.net>
Try the download section.



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